- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F25D - Refrigeratorscold roomsice-boxescooling or freezing apparatus not otherwise provided for
- F25D 21/06 - Removing frost
Patent holdings for IPC class F25D 21/06
Total number of patents in this class: 419
10-year publication summary
|
34
|
33
|
29
|
25
|
25
|
8
|
20
|
26
|
14
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 72208 |
51 |
| Mitsubishi Electric Corporation | 45646 |
37 |
| Haier Smart Home Co., Ltd. | 5413 |
18 |
| Qingdao Haier Refrigerator Co., Ltd | 1557 |
17 |
| Daikin Industries, Ltd. | 9937 |
16 |
| Panasonic Intellectual Property Management Co., Ltd. | 30769 |
15 |
| Carrier Corporation | 4378 |
12 |
| Hefei Midea Refrigerator Co., Ltd. | 425 |
10 |
| Samsung Electronics Co., Ltd. | 143303 |
9 |
| Hefei Hualing Co., Ltd. | 469 |
9 |
| Qingdao Haier Joint Stock Co., Ltd. | 596 |
9 |
| Mayekawa Mfg. Co., Ltd. | 341 |
8 |
| Midea Group Co., Ltd. | 4451 |
8 |
| BSH Hausgeräte GmbH | 5484 |
7 |
| Lennox Industries Inc. | 1100 |
6 |
| Denso Corporation | 24058 |
5 |
| Fujitsu General Limited | 589 |
5 |
| Aqua Co., Ltd. | 534 |
5 |
| Electrolux Consumer Products, Inc. | 836 |
5 |
| Ford Global Technologies, LLC | 20367 |
4 |
| Other owners | 163 |